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In the United States, the Food and Drug Administration (FDA) oversees peptides, classifying them as drugs or biologics based on their composition and intended use

Pregnancy and Lactation: Safe for use, but always consult with healthcare professionalsthe benefits must outweigh the inherent risks

These side-effects are possible, but do not always occur

Why This Matters for Health and Performance Understanding intrinsic factor physiology is crucial for recognizing conditions that can lead to B12 deficiency, including pernicious anemia (autoimmune destruction of parietal cells), gastric surgery, chronic PPI use, and various gastrointestinal disorders